Sonochemical synthesis of porous gold nano- and microparticles in a Rosette cell
We report the synthesis of Au nano- and microparticles that relies on α-D-glucose (C6H12O6) as the reducer and stabilizer in a Rosette cell under 20 kHz ultrasound irradiation. The chemical and physical effects of ultrasonic irradiation on the synthesis were investigated. The results showed that an...
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| Format: | Article |
| Language: | English |
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Elsevier
2021-11-01
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| Series: | Ultrasonics Sonochemistry |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1350417721002868 |
| _version_ | 1818824635220754432 |
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| author | Ndifreke Usen Si Amar Dahoumane Mamadi Diop Xavier Banquy Daria C. Boffito |
| author_facet | Ndifreke Usen Si Amar Dahoumane Mamadi Diop Xavier Banquy Daria C. Boffito |
| author_sort | Ndifreke Usen |
| collection | DOAJ |
| description | We report the synthesis of Au nano- and microparticles that relies on α-D-glucose (C6H12O6) as the reducer and stabilizer in a Rosette cell under 20 kHz ultrasound irradiation. The chemical and physical effects of ultrasonic irradiation on the synthesis were investigated. The results showed that an optimum pH is required for the formation of insoluble Au(0) particles. Upon irradiation, low pH yielded Au nanoparticles while high pH resulted in microparticles. The Au surface capping by α-D-glucose hydroxyl and carbonyl groups was confirmed by Fourier transform infrared (FT-IR) spectroscopy. X-ray diffraction (XRD) analysis indicated that the Au particles crystallize within the face-centered-cubic (FCC) cell lattice. Moreover, continuous sonication reduced larger amounts of the Au precursor compared to the intermittent mode. Furthermore, tuning sonication time and mode influences the particle size and porosity as characterized by scanning and transmission electron microscopy. Our results shed a new light into the importance of the experimental and ultrasound parameters in obtaining Au particles of desired features through sonochemistry. |
| first_indexed | 2024-12-18T23:59:00Z |
| format | Article |
| id | doaj.art-8214437970ab4bf48d2b90ea62c8e17d |
| institution | Directory Open Access Journal |
| issn | 1350-4177 |
| language | English |
| last_indexed | 2024-12-18T23:59:00Z |
| publishDate | 2021-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Ultrasonics Sonochemistry |
| spelling | doaj.art-8214437970ab4bf48d2b90ea62c8e17d2022-12-21T20:46:34ZengElsevierUltrasonics Sonochemistry1350-41772021-11-0179105744Sonochemical synthesis of porous gold nano- and microparticles in a Rosette cellNdifreke Usen0Si Amar Dahoumane1Mamadi Diop2Xavier Banquy3Daria C. Boffito4Chemical Engineering Department, Polytechnique Montréal, 2900 Edouard Montpetit Blvd, Montréal H3T 1J4, QC, CanadaChemical Engineering Department, Polytechnique Montréal, 2900 Edouard Montpetit Blvd, Montréal H3T 1J4, QC, CanadaChemical Engineering Department, Polytechnique Montréal, 2900 Edouard Montpetit Blvd, Montréal H3T 1J4, QC, Canada; Biomedical Engineering Department, Université de Montréal, 2900 Edouard Montpetit Blvd, Montréal H3T 1J4, QC, CanadaFaculty of Pharmacy, Pavillon Jean Coutu local 4198, Université de Montréal, 2900, boul. Édouard-Montpetit, Montréal H3T 1J4, QC, CanadaChemical Engineering Department, Polytechnique Montréal, 2900 Edouard Montpetit Blvd, Montréal H3T 1J4, QC, Canada; Canada Research Chair in Intensified Mechano-Chemical Processes for Sustainable Biomass Conversion, Canada; Corresponding author at: Chemical Engineering Department, Polytechnique Montréal, 2900 Edouard Montpetit Blvd, Montréal H3T 1J4, QC, Canada.We report the synthesis of Au nano- and microparticles that relies on α-D-glucose (C6H12O6) as the reducer and stabilizer in a Rosette cell under 20 kHz ultrasound irradiation. The chemical and physical effects of ultrasonic irradiation on the synthesis were investigated. The results showed that an optimum pH is required for the formation of insoluble Au(0) particles. Upon irradiation, low pH yielded Au nanoparticles while high pH resulted in microparticles. The Au surface capping by α-D-glucose hydroxyl and carbonyl groups was confirmed by Fourier transform infrared (FT-IR) spectroscopy. X-ray diffraction (XRD) analysis indicated that the Au particles crystallize within the face-centered-cubic (FCC) cell lattice. Moreover, continuous sonication reduced larger amounts of the Au precursor compared to the intermittent mode. Furthermore, tuning sonication time and mode influences the particle size and porosity as characterized by scanning and transmission electron microscopy. Our results shed a new light into the importance of the experimental and ultrasound parameters in obtaining Au particles of desired features through sonochemistry.http://www.sciencedirect.com/science/article/pii/S1350417721002868SonochemistryRosette cellGold nanoparticlesPorous particlesAnisotropic particlesGlucose |
| spellingShingle | Ndifreke Usen Si Amar Dahoumane Mamadi Diop Xavier Banquy Daria C. Boffito Sonochemical synthesis of porous gold nano- and microparticles in a Rosette cell Ultrasonics Sonochemistry Sonochemistry Rosette cell Gold nanoparticles Porous particles Anisotropic particles Glucose |
| title | Sonochemical synthesis of porous gold nano- and microparticles in a Rosette cell |
| title_full | Sonochemical synthesis of porous gold nano- and microparticles in a Rosette cell |
| title_fullStr | Sonochemical synthesis of porous gold nano- and microparticles in a Rosette cell |
| title_full_unstemmed | Sonochemical synthesis of porous gold nano- and microparticles in a Rosette cell |
| title_short | Sonochemical synthesis of porous gold nano- and microparticles in a Rosette cell |
| title_sort | sonochemical synthesis of porous gold nano and microparticles in a rosette cell |
| topic | Sonochemistry Rosette cell Gold nanoparticles Porous particles Anisotropic particles Glucose |
| url | http://www.sciencedirect.com/science/article/pii/S1350417721002868 |
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